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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
   <table border="1" style="border-collapse: collapse; text-align: center" >
       <tr>
           <td colspan="12">1</td>
           <!-- <td>2</td>
           <td>3</td>
           <td>4</td>
           <td>5</td>
           <td>6</td>
           <td>7</td>
           <td>8</td>
           <td>9</td>
           <td>10</td>
           <td>11</td>
           <td>12</td> -->
           <td rowspan="12">2</td>
       </tr>
       <tr>
           <td rowspan="12">4</td>
           <td colspan="10">5</td>
           <!-- <td>3</td>
           <td>4</td>
           <td>5</td>
           <td>6</td>
           <td>7</td>
           <td>8</td>
           <td>9</td>
           <td>10</td>
           <td>11</td> -->
           <td rowspan="10">6</td>
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <td rowspan="10">8</td>
           <td colspan="8">9</td>
           <!-- <td>4</td>
           <td>5</td>
           <td>6</td>
           <td>7</td>
           <td>8</td>
           <td>9</td>
           <td>10</td> -->
           <td rowspan="8">10</td>
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <td rowspan="8">12</td>
           <td colspan="6">13</td>
           <!-- <td>5</td>
           <td>6</td>
           <td>7</td>
           <td>8</td>
           <td>9</td> -->
           <td rowspan="6">14</td>
           <!-- <td>11</td> -->
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <!-- <td>3</td> -->
           <td rowspan="6">16</td>
           <td colspan="4">17</td>
           <!-- <td>6</td>
           <td>7</td>
           <td>8</td> -->
           <td rowspan="4">18</td>
           <!-- <td>10</td> -->
           <!-- <td>11</td> -->
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <!-- <td>3</td> -->
           <!-- <td>4</td> -->
           <td rowspan="4">20</td>
           <td colspan="2">21</td>
           <!-- <td>7</td> -->
           <td rowspan="2">22</td>
           <!-- <td>9</td> -->
           <!-- <td>10</td> -->
           <!-- <td>11</td> -->
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <!-- <td>3</td> -->
           <!-- <td>4</td> -->
           <!-- <td>5</td> -->
           <td rowspan="2">24</td>
           <td>25</td>
           <!-- <td>8</td> -->
           <!-- <td>9</td> -->
           <!-- <td>10</td> -->
           <!-- <td>11</td> -->
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <!-- <td>3</td> -->
           <!-- <td>4</td> -->
           <!-- <td>5</td> -->
           <!-- <td>6</td> -->
           <td colspan="2">23</td>
           <!-- <td>8</td> -->
           <!-- <td>9</td> -->
           <!-- <td>10</td> -->
           <!-- <td>11</td> -->
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <!-- <td>3</td> -->
           <!-- <td>4</td> -->
           <!-- <td>5</td> -->
           <td colspan="4">19</td>
           <!-- <td >7</td>
           <td>8</td>
           <td>9</td> -->
           <!-- <td>10</td> -->
           <!-- <td>11</td> -->
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <!-- <td>3</td> -->
           <!-- <td>4</td> -->
           <td colspan="6">15</td>
           <!-- <td >6</td>
           <td>7</td>
           <td>8</td>
           <td>9</td>
           <td>10</td> -->
           <!-- <td>11</td> -->
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <!-- <td>3</td> -->
           <td colspan="8">11</td>
           <!-- <td>5</td>
           <td>6</td>
           <td>7</td>
           <td>8</td>
           <td>9</td>
           <td>10</td>
           <td>11</td> -->
           <!-- <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <!-- <td>2</td> -->
           <td colspan="10">7</td>
           <!-- <td >4</td>
           <td>5</td>
           <td>6</td>
           <td>7</td>
           <td>8</td>
           <td>9</td>
           <td>10</td>
           <td>11</td>
           <td>12</td> -->
           <!-- <td>13</td> -->
       </tr>
       <tr>
           <!-- <td>1</td> -->
           <td colspan="12">3</td>
           <!-- <td>3</td>
           <td>4</td>
           <td>5</td>
           <td>6</td>
           <td>7</td>
           <td>8</td>
           <td>9</td>
           <td>10</td>
           <td>11</td>
           <td>12</td>
           <td>13</td> -->
       </tr>
   </table>
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